由于小肠内菌群过度繁殖所致的脂肪、维生素B_(12)等吸收不良,称为小肠被污染综合征(Contaminated small bowel syndrome,CSBS)。因为本症常发生于空肠狭窄、憩室和自我充盈的盲袢时,故又称为郁积性肠袢综合征、小肠郁滞综合征、盲袢综合征,但不伴有小肠内容物郁滞的小肠内菌群过度繁殖者也可发生类似临床表现,故以称CSBS为宜。正常小肠菌丛人于出生时胃肠内无菌,出生后几小时内肠内便有大肠杆菌、链球菌、梭状芽胞杆菌生长,几周后肠内菌谱便与成人相似,结肠内有大量厌氧性肠球菌、乳酸杆菌和肠类杆菌等寄 Due to overproduction of intestinal flora caused by fat, vitamin B 12 (12) and other malabsorption, called the small intestine was contaminated (Contaminated small bowel syndrome, CSBS). Because this disease often occurs in the jejunum stenosis, diverticulitis and self-infiltration blind, it is also known as melancholic enterocolitis syndrome, small intestine stagnation syndrome, blindness syndrome, but not accompanied by stasis of intestinal contents Small intestine overpopulation flora may also have similar clinical manifestations, it is appropriate to call CSBS. Normal intestinal flora Cong people at birth, gastrointestinal aseptic, within a few hours after birth will have E. coli, Streptococcus, Clostridium growth, a few weeks after the intestinal flora and adults will be similar to the colon with A large number of anaerobic enterococci, Lactobacilli and Enterobacteriaceae send